[FFmpeg-devel] Prores encoding optmizations

Paul B Mahol onemda at gmail.com
Mon May 23 13:13:25 CEST 2016

On 5/23/16, Haavard Espeland <espeland at mixedrealities.no> wrote:
> Hi guys,
> We have been working on Prores Anatoliy optimizations to get the speed up on
> an embedded x86 platform. Fdct (10bit), scaling and encoding of code words
> have been optimized with AVX2 instructions, and the performance is increased
> by roughly 45% for the standard profile Prores 4:2:2 on our machine without
> any significant PSNR or file size differences from master.
> It is written using SIMD intrinsics, and I do understand you have a slightly
> negative view on instrinsics in ffmpeg, but we do not have the resources to
> rewrite this in nasm/yasm.
> Is there any point in cleaning up this patch for submission, or should we
> just keep it locally in our tree?

I would like to see that code.

> Best regards,
> Haavard Espeland
> LABO Mixed Realities AS
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